Home / 1,038,838.30-1,557,796.65-477,583.90

Finding the Fourth Proportional to 1,038,838.30, 1,557,796.65 and 477,583.90

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Solution

The fourth proportional to 1,038,838.30, 1,557,796.65 and 477,583.90 is: 716,164.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,838.30 : 1,557,796.65 = 477,583.90 : x
  2. Step 2: Convert to fraction form
    1,038,838.30/1,557,796.65 = 477,583.90/x
  3. Step 3: Cross multiply
    1,038,838.30x = 1,557,796.65 × 477,583.90
  4. Step 4: Simplify right side
    1,038,838.30x = 743,978,599,513.94
  5. Step 5: Solve for x
    x = 743,978,599,513.94/1,038,838.30
  6. Step 6: Final answer
    x = 716,164.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.